CN109873510A - Motor - Google Patents
Motor Download PDFInfo
- Publication number
- CN109873510A CN109873510A CN201810490180.4A CN201810490180A CN109873510A CN 109873510 A CN109873510 A CN 109873510A CN 201810490180 A CN201810490180 A CN 201810490180A CN 109873510 A CN109873510 A CN 109873510A
- Authority
- CN
- China
- Prior art keywords
- magnet
- support portion
- rotor core
- sealing plate
- rotor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
- H02K1/2766—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/03—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/12—Impregnating, heating or drying of windings, stators, rotors or machines
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The present invention relates to a kind of motors, in particular, provide a kind of motor of package assembly with improved rotor core and magnet.Motor includes stator and the rotor relative to stator rotation.The rotor includes: rotor core, is rotatably arranged centered on rotary shaft, and has multiple magnet engaging holes, and the multiple magnet engaging hole is intervally installed along the circumferencial direction of rotary shaft with specific spacing；Magnet is inserted into magnet engaging hole；And sealing plate, it is engaged in the opposed end of rotor core.The sealing plate includes the magnet support portion for supporting magnet.
Description
Technical field
The present invention relates to a kind of motor more particularly to a kind of electricity of the package assembly with improved rotor core and magnet
Machine.
Background technique
Motor is a kind of to convert electrical energy into mechanical energy to obtain the device of rotary power.Motor is widely used in traffic work
Tool, household electrical appliance and industrial equipment.In general, motor includes: stator, wherein being wound with the coil for generating magnetic force by electric power；
And rotor, it is rotatably mounted and the mutual electromagnetic force with stator.
According to the structure of rotor, that is, according to the position of the permanent magnet setting in rotor, motor is classified as surface-mounted
Permanent magnet (SPM) motor and interior permanent magnets (IPM) motor.In other words, in SPM motor, permanent magnet is arranged in rotor
Surface on, and in ipm motor, the inside of rotor is arranged in permanent magnet.In the case where permanent magnet is engaged in internal rotor,
Provide the structure for preventing permanent magnet from separating with rotor.However, the anti-separation structure of permanent magnet causes flux leakage, and
And the degree of the electromagnetic performance decline of motor corresponds essentially to the amount of flux leakage.
Summary of the invention
Therefore, the present invention provides a kind of motor of package assembly with improved rotor core and magnet.Of the invention
A kind of motor is provided on one side, it can be by the way that the magnet for being assembled into rotor core be effectively fixed on more accurate position
It sets to improve its performance.Other aspects of the invention will be listed partially in the following description and will be obvious by description section,
Or it can be known by implementing the present invention.
According to the one aspect of exemplary implementation scheme, motor includes: stator；Rotor is configured to revolve relative to stator
Turn.The rotor includes: rotor core, is rotatably arranged centered on rotary shaft, and has multiple magnet engaging holes,
The multiple magnet engaging hole is intervally installed along the circumferencial direction of rotary shaft with specific spacing；Magnet is inserted into magnetic
In body engaging hole；And sealing plate, it is engaged in the opposed end of rotor core.Wherein, the sealing plate includes the magnetic for supporting magnet
Body support portion.
In addition, the magnet support portion can be prominent from the bottom surface of sealing plate.The magnet support portion is prominent from sealing plate, to connect
It closes between rotor core and magnet.The magnet support portion is formed to have corresponding at least part of magnet engaging hole
Shape.Particularly, the magnet support portion includes: the first support portion, is configured to the first end face of support magnet；And the
Two support portions are configured to support the second end face opposite with first end face.
The center that first support portion is arranged with respect to sealing plate is more more outward than the second support portion.First support portion include with
First supporting surface of first end face contact, the second support portion includes the second supporting surface contacted with second end face.First support portion
It is contained in magnet engaging hole with the second support portion.
According to another aspect of the present invention, a kind of method manufacturing rotor may include: that will be provided with multiple magnet engagements
The rotor core in hole stacks；It is disposed a magnet in multiple magnet engaging holes using the fixture for protruding magnet support portion；Molding
Magnet and rotor core；Fixture is removed, and sealing plate is assembled.
Detailed description of the invention
By the way that the description of scheme is implemented as follows and will become in conjunction with attached drawing, the aspects of the invention and/or other aspects
It obtains obviously and is easier to understand, in the drawing:
Fig. 1 is the view for showing the rotor of the motor of exemplary implementation scheme according to the present invention.
Fig. 2 is the detail perspective view for showing the rotor of the motor of exemplary implementation scheme according to the present invention.
Fig. 3 is the view for showing the rotor core of exemplary implementation scheme according to the present invention.
Fig. 4 is the view for showing the sealing plate of motor in accordance with an exemplary embodiment of the invention.
Fig. 5 is the detailed view for showing the part A of Fig. 4, especially shows the sealing plate of exemplary implementation scheme according to the present invention
Position fixing part.
Fig. 6 is the view for showing the engagement of the sealing plate and rotor core of exemplary implementation scheme according to the present invention.
Fig. 7 is the view for showing the engagement state of the sealing plate and rotor core of another exemplary embodiment according to the present invention
Figure.
Fig. 8 is the view for showing the engagement state of the sealing plate and rotor core of another exemplary implementation scheme according to the present invention
Figure.
Description of symbols:
10: rotary shaft
100: rotor
110: rotor core
120: magnet
130: sealing plate
300: magnet support portion
310: the first support portions
311: the first supporting surfaces
320: the second support portions
321: the second supporting surfaces
330: third support portion.
Specific embodiment
It should be appreciated that term as used herein " vehicles " or " vehicles " or other similar terms are generally wrapped
Include motor vehicles, for example including sport vehicle (SUV), motor bus, truck, various commerial vehicles riding vehicle,
Ship, aircraft including various boats and ship etc., and it is dynamic including hybrid vehicle, electric vehicle, plug-in mixing
Power electric vehicle, hydrogen-powered vehicle and other alternative fuel vehicles (for example originating from the fuel of the non-petroleum energy).
Term as used herein is only used for the purpose of description specific embodiment and is not intended to be limited to the present invention.As
Used herein, singular " one ", "one" and "the" are intended to also include plural form, clearly say unless the context otherwise
It is bright.It will also be understood that when the term " comprising " and/or " including " is used in this specification, indicate there are the feature, numerical value,
Step, operation, element and/or component, but do not exclude the presence of or be added one or more other features, numerical value, step, behaviour
Work, element, component and/or its group.As used herein, term "and/or" includes one or more associated listed items
Any and all combinations of purpose.
Exemplary implementation scheme described in the present invention and configuration shown in the accompanying drawings are only embodiment of the present invention
Example, and can be modified in a variety of ways when submitting the application to replace embodiment of the present invention and attached
Figure.
In addition, identical appended drawing reference shown in the accompanying drawings of the invention or symbol expression essentially perform identical function
Element or component.Moreover, terms used herein are for describing embodiment and being not intended to limit and/or limit this hair
It is bright.
First it should be understood that although term first, second, third, etc. can be used to describe various elements herein
Part should not be limited by these terms.These terms are only used to distinguish an element and another element.For example, not departing from this hair
In the case where bright range, first element can be referred to as second element, and second element can also be referred to as first element.?
In following description, the terms such as " front end ", " rear end ", " top ", " lower part ", " upper end ", " lower end " can be defined by attached drawing,
But the shape of component and position are not limited by the term.
In the following description, the vehicles refer to for moving such as object of people, object or animal from departure place
Move the means of transport to destination.The vehicles may include the vehicle travelled on road or track, at sea or on river
Mobile ship, the aircraft to fly in the sky etc..In addition, the vehicle travelled on road or track can be according at least one vehicle
The rotation of wheel and moved along scheduled direction.Vehicle may include three-wheel or four-wheel car, building machinery, sulky vehicle, motor
Vehicle, bicycle and the train travelled in orbit.
Hereinafter, will be described in detail with reference to the accompanying drawings in accordance with an exemplary embodiment of the invention.Fig. 1 is shown according to exemplary
The view of the rotor of the motor of embodiment, Fig. 2 are the detailed axonometrics for showing the rotor of the motor according to exemplary implementation scheme
Figure, Fig. 3 is the view for showing the rotor core according to exemplary implementation scheme.According to exemplary implementation scheme, motor is traction
Motor, wherein traction electric machine includes stator (not shown) and the rotor that can be rotatably set in stator interior.
As shown in Figure 1 to Figure 3, rotor 100 may include: rotary shaft 10, be engaged in rotary shaft 10 to surround rotary shaft 10
The rotor core 110 of outer peripheral surface, the magnet 120 that is axially inserted into rotor core 110 and be engaged in rotor core
The sealing plate 130 of 110 opposed end.
Particularly, rotor core 110 can be formed as cylindrical, and the rotor core main body 111 of plurality of dish type can be with
It stacks in its axial direction.Rotor core 110 is contained in stator (not shown) with specific gap.Rotor core main body 111 can
To include hole 112 and multiple magnet engaging holes 113, wherein hole 112 is formed in the center of rotor core main body 111 and along axis
To running through, to allow rotary shaft 10 to be inserted and fixed wherein, multiple magnet engaging holes 113 are formed around hole 112.It is more
A magnet engaging hole 113 can be arranged relative to axisymmetrical axially.Corresponding magnetic can be inserted in each magnet 120
In body engaging hole 113.
Magnet engaging hole 113 can be formed as axially penetrating through along rotor core 110.Magnet engaging hole 113, which runs through, to be turned
Each of sub- core body 111, with the shape with its opposite end openings.Magnet 120 may include permanent magnet 120.Separately
Outside, magnet 120 may be configured to generate stable magnetic field in the case where not supplying electric energy from outside with rotor 100.
Magnet 120 can be configured to turning by the interaction with the magnetic field generated in the coil (not shown) that is mounted on stator
Rotary force is generated in sub- core 110.
Magnet 120 may include the magnetic body 121 of cuboid.Magnet 121 may include being formed at first end
First end face 122 and the second end face 123 being formed at the second end.First end face 122 and second end face 123 can be formed as
Identical size and shape.Magnet 120 may include four surface elements that first end face 122 is connected to second end face 123.Four
Two in a surface element can be formed as facing with each other.
When electric current is applied to coil, rotor 100 can by by stator structure generate rotating excitation field and conductor in
Interaction between the induced current of generation and rotate.When rotor 100 reaches synchronizing speed, magnet 120 can produce
Torque and the reluctance torque as caused by the structure of rotor 100, therefore rotor 100 can be rotated to produce torque.In addition, sealing plate
130 can be set in the upper and lower surfaces of rotor core 110.Since sealing plate 130 can be set in rotor core 110
First end and second end, so sealing plate 130 can keep the spin balancing of rotor core 110 constant, to prevent from working as rotor core
110 rotate at high speed when vibrated as caused by deviation of weight.
Particularly, sealing plate 130 can be formed by the non-magnetic material of such as plastics, thus be prevented from the generation of magnet 120
Flux leakage.Sealing plate 130 may include the first plate 131 being arranged in the first end of rotor core 110 and be arranged in rotor core
The second plate 132 in the second end in portion 110.Sealing plate 130 can be arranged in pairs the opposed end to support rotor core 110.Hereinafter,
First plate 131 and the second plate 132 are referred to as sealing plate 130.Sealing plate 130 may include magnet support portion 300, magnet support portion
300 are configured to support magnet 120.
Fig. 4 is the view for showing the sealing plate of the motor according to exemplary implementation scheme, Fig. 5 be show Fig. 4 part A it is detailed
Thin view, especially shows the position fixing part of the sealing plate according to exemplary implementation scheme, and Fig. 6 is shown according to exemplary embodiment party
The view of the engagement of the sealing plate and rotor core of case.
As shown in Figures 4 to 6, sealing plate 130 may include dish type plate body 130a.Axis can be set at the center of plate body 130a
Hole 133, to allow rotary shaft 10 to be inserted.Axis hole 133 can be formed to have with the hole 112 of rotor core 110 relative to
Shape and the position being aligned with the hole 112 of rotor core 110 is set.
Sealing plate 130 may include from the magnet support portion 300 outstanding bottom surface 130b.It magnet support portion 300 can be from sealing plate
130 bottom surface 130b is prominent, therefore magnet support portion 300 can be bonded between rotor core 110 and magnet 120.Magnet branch
Support part 300 can have shape corresponding with the magnet engaging hole 113 of rotor core 110.Magnet support portion 300 can be set
At corresponding with the magnet engaging hole 113 being open at the opposed end of rotor core 110.Magnet support portion 300 can be formed
For shape corresponding at least part of magnet engaging hole 113 of rotor core 110.Magnet support portion 300 may include
First support portion 310 and the second support portion 320, the first support portion 310 are arranged to the magnet engaging hole 113 with rotor core 110
The first side it is corresponding, the second support portion 320 is arranged to corresponding with second side of magnet engaging hole 113.
First support portion 310 is configurable to support first end face 122, and the second support portion 320 is configurable to support
Second end face 123.The first end face 122 of magnet 120 can be set to compare second end face relative to the center of rotor core 110
123 more outward (for example, the center from rotor core 110 is farther).At least part of first support portion 310 and magnet 120
First end face 122 contact.In addition, at least part of the first support portion 310 may include the first end face with magnet 120
First supporting surface 311 of 122 contacts.At least part of second support portion 320 can connect with the second end face 123 of magnet 120
Touching.In addition, at least part of the second support portion 320 may include the second support contacted with the second end face 123 of magnet 120
Face 321.First support portion 310 can be set to more more outward than the second support portion 320 relative to the center of sealing plate 130.
Respectively support magnet 120 the first side and second side magnet support portion 300 the first support portion 310 and second
Support part 320 can be contained in the magnet engaging hole 113 of rotor core 110.Therefore, because the magnet support portion 300 of sealing plate 130
Can be bonded between the magnet engaging hole 113 of rotor core 110, thus magnet support portion 300 can make magnet 120 be arranged or
It is arranged in more accurate position, and supports and fixes magnet 120 without additional structure.It can be with accordingly, due to magnet 120
It is fixed by the magnet support portion 300 of sealing plate 130, it is possible to prevent flux leakage.
Fig. 7 is the view for showing the engagement state of the sealing plate and rotor core according to another exemplary embodiment.Do not show
Appended drawing reference out is referring to figs. 1 to Fig. 6.Sealing plate 130 may include from bottom surface 130b magnet support portion 300A outstanding.Magnet branch
Support part 300A can be prominent from the bottom surface 130b of sealing plate 130, is then bonded between rotor core 110 and magnet 120.Magnet branch
Support part 300A can have shape corresponding with the magnet engaging hole 113 of rotor core 110.
It is connect in addition, magnet support portion 300A can be set into the magnet being open at the opposed end of rotor core 110
It is corresponding to close hole 113.Magnet support portion 300A can be formed as at least one with the magnet engaging hole 113 of rotor core 110
The corresponding shape of split-phase.Magnet support portion 300A may include the first support portion 310A, the second support portion 320A and third support
Portion 330A, the first support portion 310A be arranged to it is corresponding with the first side of magnet engaging hole 113 of rotor core 110, second
Support part 320A is arranged to corresponding with second side of magnet engaging hole 113, and third support portion 330A is configured to the first support portion
310A is connected to the second support portion 320A.First support portion 310A is configurable to support first end face 122, and the second support portion
320A is configurable to support second end face 123.Third support portion 330A can be set into four sides of support magnet 120
Bottom surface 121a.
The first end face 122 of magnet 120 can be set to relative to rotor core 110 center more than second end face 123
In the outer part.At least part of first support portion 310A is contacted with the first end face 122 of magnet 120.First support portion 310A's
At least part may include the first supporting surface 311A contacted with the first end face 122 of magnet 120.Second support portion 320A's
At least part can be contacted with the second end face 123 of magnet 120.In addition, at least part of the second support portion 320A can be with
The the second supporting surface 321A contacted including the second end face 123 with magnet 120.
First support portion 310A can be set to more more outward than the second support portion 320A relative to the center of sealing plate 130.
The the first support portion 310A and the second support portion of the first side of magnet 120 and the magnet support portion 300A of second side are supported respectively
320A can be contained in the magnet engaging hole 113 of rotor core 110.
Therefore, because the magnet support portion 300A of sealing plate 130 can be bonded on the magnet engaging hole 113 of rotor core 110
Between, so magnet support portion 300A can be such that magnet 120 is arranged in more accurate position, and support and fix magnet 120 and
Without additional structure.It can be fixed by the magnet support portion 300A of sealing plate 130 accordingly, due to magnet 120, it is possible to
Prevent flux leakage.
Fig. 8 is the view for showing the engagement state of the sealing plate and rotor core according to another exemplary implementation scheme.Do not show
Appended drawing reference out is referring to figs. 1 to Fig. 6.Sealing plate 130 may include from bottom surface 130b magnet support portion 300B outstanding.Magnet branch
Support part 300B can be prominent from the bottom surface 130b of sealing plate 130, is then bonded between rotor core 110 and magnet 120.Magnet support
Portion 300B can form shape corresponding with the magnet engaging hole 113 of rotor core 110.
The magnet engaging hole with the opening at the opposed end of rotor core 110 can be set into magnet support portion 300B
113 is corresponding.Magnet support portion 300B may include the first support portion 310B and the second support portion 320B, the first support portion 310B
It is arranged to corresponding with the first side of magnet engaging hole 113 of rotor core 110, the second support portion 320B is arranged to connect with magnet
The second side for closing hole 113 is corresponding.First support portion 310B can be configured to the first end face 122 of support magnet 120, and second
Support portion 320B is configurable to support second end face 123.
The first end face 122 of magnet 120 can be set to relative to rotor core 110 center more than second end face 123
In the outer part.At least part of first support portion 310B can be contacted with the first end face 122 of magnet 120.First support portion
At least part of 310B may include the first supporting surface 311B contacted with the first end face 122 of magnet 120.In addition, second
At least part of support portion 320B can be contacted with the second end face 123 of magnet 120.At least one of second support portion 320B
Dividing may include the second supporting surface 321B contacted with the second end face 123 of magnet 120.
First support portion 310B can be set to more more outward than the second support portion 320B relative to the center of sealing plate 130.
The the first support portion 310B and the second support portion of the first side of magnet 120 and the magnet support portion 300B of second side are supported respectively
320B can be contained in the magnet engaging hole 113 of rotor core 110.
Therefore, because the magnet support portion 300B of sealing plate 130 can be bonded on the magnet engaging hole 113 of rotor core 110
Between, so magnet support portion 300B can be such that magnet 120 is arranged in more accurate position, and support and fix magnet 120 and
Without additional structure.It can be fixed by the magnet support portion 300B of sealing plate 130 accordingly, due to magnet 120, it is possible to
Prevent flux leakage.
Being described below has the structure that magnet is supported and fixed by sealing plate according to another exemplary embodiment
The manufacturing method of the rotor of motor.The rotor core 110 for being formed with multiple magnet engaging holes 113 is stacked, and is used
Magnet 120 is arranged in multiple magnet engaging holes 113 the fixture (not shown) for protruding magnet support portion 300.Moulded magnet
120 and rotor core, fixture is removed, and sealing plate 130 is assembled.
As described above, not needing the volume for fixed magnet about the manufacturing method according to another exemplary embodiment
External structure, and magnet can be arranged or be arranged in more accurate position by the sealing plate that non-magnetic material is formed.It therefore, can be to prevent
The flux leakage only generated from magnet.From the above, it can be seen that the package assembly of rotor core and magnet can be improved, with
Magnet is fixed on correct position, to improve the performance of motor.It can also be increased by preventing the flux leakage of rotor anti-
Electric voltage, so as to increase torque capacity and reduce for electric current needed for generating identical torque.
Although some embodiments of the invention have shown and described, it will be appreciated by those skilled in the art that without departing from this hair
It can be made a change in these embodiments in the range of bright principle and spirit, the scope of the present invention is in appended claims
And its it is limited in equivalent form.
Claims (11)
1. a kind of motor comprising:
Stator；
Rotor is configured to rotate relative to the stator；
Wherein, the rotor includes:
Rotor core can be rotatably arranged centered on rotary shaft, and have multiple magnet engaging holes, the multiple magnetic
Body engaging hole is intervally installed along the circumferencial direction of the rotary shaft with specific spacing；
Magnet is inserted into the magnet engaging hole；And
Sealing plate is engaged in the opposed end of the rotor core；
Wherein, the sealing plate includes the magnet support portion for supporting the magnet.
2. motor according to claim 1, wherein the magnet support portion is prominent from the bottom surface of the sealing plate.
3. motor according to claim 1, wherein the magnet support portion is prominent from the sealing plate, described to be bonded on
Between rotor core and the magnet.
4. motor according to claim 1, wherein the magnet support portion is formed to have and the magnet engaging hole
Corresponding shape at least partially.
5. motor according to claim 1, wherein the magnet support portion includes:
First support portion is configured to support the first end face of the magnet；And
Second support portion is configured to support second end face opposite with the first end face.
6. motor according to claim 5, wherein first support portion is arranged with respect to the center ratio of the sealing plate
Second support portion is more outward.
7. motor according to claim 5, wherein first support portion includes first contacted with the first end face
Supporting surface, second support portion include the second supporting surface contacted with the second end face.
8. motor according to claim 5, wherein first support portion and second support portion are contained in the magnetic
In body engaging hole.
9. motor according to claim 1, wherein the center of the sealing plate includes axis hole, so that rotary shaft is inserted into it
In.
10. motor according to claim 9, wherein the axis hole is arranged in and the center that is formed in the rotor core
The corresponding position in hole.
11. a kind of method for manufacturing rotor, comprising:
The rotor core for being provided with multiple magnet engaging holes is stacked；
It is disposed a magnet in the multiple magnet engaging hole using the fixture for protruding magnet support portion；
Mould the magnet and the rotor core；
The fixture is removed, and sealing plate is assembled.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020170164696A KR20190065525A (en) | 2017-12-02 | 2017-12-02 | Motor |
| KR10-2017-0164696 | 2017-12-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109873510A true CN109873510A (en) | 2019-06-11 |
Family
ID=66548455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810490180.4A Pending CN109873510A (en) | 2017-12-02 | 2018-05-21 | Motor |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US10903702B2 (en) |
| KR (1) | KR20190065525A (en) |
| CN (1) | CN109873510A (en) |
| DE (1) | DE102018207029A1 (en) |
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| CN102843000A (en) * | 2011-06-23 | 2012-12-26 | 株式会社三井高科技 | Method of manufacturing laminated core |
| CN106026460A (en) * | 2015-03-31 | 2016-10-12 | Lg伊诺特有限公司 | Rotor, method of manufacturing the same, and motor including the rotor |
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|---|---|---|---|---|
| JPH06133479A (en) * | 1992-09-02 | 1994-05-13 | Toshiba Corp | Permanent magnet rotor and manufacture thereof |
| JP2007174822A (en) * | 2005-12-22 | 2007-07-05 | Fanuc Ltd | Rotor of electric motor and its manufacturing method |
| US8049389B2 (en) * | 2008-06-02 | 2011-11-01 | Honda Motor Co., Ltd. | Axial gap motor |
| KR101221135B1 (en) * | 2011-09-27 | 2013-01-14 | 뉴모텍(주) | Rotor for motor |
| KR101880097B1 (en) * | 2012-01-19 | 2018-07-23 | 삼성전자주식회사 | Motor and rotor thereof |
| JP2014036554A (en) * | 2012-08-10 | 2014-02-24 | Aisin Seiki Co Ltd | Rotor yoke and motor using the same |
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2017
- 2017-12-02 KR KR1020170164696A patent/KR20190065525A/en not_active Application Discontinuation
-
2018
- 2018-04-25 US US15/962,292 patent/US10903702B2/en active Active
- 2018-05-07 DE DE102018207029.6A patent/DE102018207029A1/en not_active Withdrawn
- 2018-05-21 CN CN201810490180.4A patent/CN109873510A/en active Pending
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| JPH11355985A (en) * | 1998-06-04 | 1999-12-24 | Toshiba Corp | Permanent magnet type motor |
| JP2003134705A (en) * | 2001-10-26 | 2003-05-09 | Nissan Motor Co Ltd | Structure of rotor of motor |
| JP2003235189A (en) * | 2002-02-04 | 2003-08-22 | Toyota Motor Corp | Magnet retaining structure for rotor of rotating electric machine |
| CN1503430A (en) * | 2002-11-20 | 2004-06-09 | Lg电子株式会社 | Drivnig-motor of sealed compressor |
| JP2010233413A (en) * | 2009-03-30 | 2010-10-14 | Aisin Seiki Co Ltd | Electric motor |
| JP2012157090A (en) * | 2011-01-21 | 2012-08-16 | Asmo Co Ltd | Magnet embedded rotor and motor |
| CN102843000A (en) * | 2011-06-23 | 2012-12-26 | 株式会社三井高科技 | Method of manufacturing laminated core |
| CN106026460A (en) * | 2015-03-31 | 2016-10-12 | Lg伊诺特有限公司 | Rotor, method of manufacturing the same, and motor including the rotor |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102018207029A1 (en) | 2019-06-06 |
| US10903702B2 (en) | 2021-01-26 |
| US20190173341A1 (en) | 2019-06-06 |
| KR20190065525A (en) | 2019-06-12 |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190611 |
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